<!DOCTYPE html>
<html lang="en-us">
<script>
if (window.internals)
  internals.setMockHyphenation('en-us');
</script>
<style>
div {
  width: 15ch;
  border: 2px solid blue;
}
.hyphen {
  hyphens: auto;
}
</style>
<div style="text-align: justify">
  <div class="hyphen">This is hyphenation enabled paragraph.</div>
  <div>This is hyphen&shy;ation enabled paragraph.</div>
</div>
<div style="text-align: right">
  <div class="hyphen">This is hyphenation enabled paragraph.</div>
  <div>This is hyphen&shy;ation enabled paragraph.</div>
</div>
</html>
